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Browsing by Author "Schoeman, JJ"

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  • Schoeman, JJ; van Staden, JF (Elsevier Science BV, 1997-08-20)
    Electro-osmotic pumping (EOP) theory and its characteristics (transport numbers, brine concentration, current density, current efficiency, electro-osmotic coefficients, etc.) of Selemion AMV and CMV ion-exchange membranes ...
  • Schoeman, JJ; Steyn, A (Elsevier Science BV, 2003-05-30)
    The nitrate-nitrogen concentration (>6 mgA) and the salinity (>1000 mg/l TDS) of many borehole waters in rural areas in South Africa are too high for human consumption. Therefore, an urgent need for water denitrification ...
  • Schoeman, JJ; Steyn, A; Scurr, PJ (Pergamon-Elsevier Science Ltd, 1996-09)
    Reverse osmosis (RO) and physical/chemical technology were evaluated for treatment of neutralized spent acid effluent (seepage) containing high concentration levels of TDS (7500mg/l), Ca (400 mg/l), Cr-V1 (42 mg/l), ...